Tom Baker

The Doctor

Elisabeth Sladen

Sarah Jane Smith

Ian Marter

Harry Sullivan

Nicholas Courtney

Brigadier Lethbridge-Stewart

John Levene

RSM Benton

John Woodnutt

Duke of Forgill / Broton

Keith Ashley

Zygon

Ronald Gough

Zygon

Lillias Walker

Sister Lamont

Angus Lennie

Angus

Tony Sibbald

Huckle

Hugh Martin

Munro

Robert Russell

The Caber

Douglas Camfield